/* help.docly.net — site theme (October 2026). Friendly, light, end-user first.
   Icons are <svg class="ic"><use href="/assets/icons.svg#name"></use></svg> from /assets/icons.svg. */
@view-transition { navigation: auto; }
:root {
    --brand: #187bb0; --brand-2: #2aa7df;
    --ink: #162033; --text: #2b3547; --body: #4f5b6e; --muted: #8a94a6;
    --line: #e7eaf1; --bg: #ffffff; --bg-2: #f6f7fb; --bg-3: #eef2fa;
    --radius: 18px; --header-h: 68px; --ease: cubic-bezier(.2, .8, .2, 1);
    --shadow-sm: 0 1px 2px rgba(22, 32, 51, .05);
    --shadow: 0 2px 4px rgba(22, 32, 51, .04), 0 12px 32px -12px rgba(22, 32, 51, .16);
    --shadow-lg: 0 30px 70px -24px rgba(22, 32, 51, .28);
    --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --font-head: "Poppins", var(--font);
    /* category colour, overridden per topic */
    --c: #3b82f6; --c-soft: #eaf2ff; --c-ink: #1d4ed8;
}
.hl-c-blue   { --c: #3b82f6; --c-soft: #eaf2ff; --c-ink: #1d4ed8; }
.hl-c-green  { --c: #10b981; --c-soft: #e6f8f1; --c-ink: #047857; }
.hl-c-violet { --c: #8b5cf6; --c-soft: #f1ecff; --c-ink: #6d28d9; }
.hl-c-amber  { --c: #f59e0b; --c-soft: #fff4dd; --c-ink: #b45309; }
.hl-c-rose   { --c: #f43f5e; --c-soft: #ffe9ee; --c-ink: #be123c; }
.hl-c-teal   { --c: #14b8a6; --c-soft: #e3f8f5; --c-ink: #0f766e; }

*, *::before, *::after { box-sizing: border-box; }
.ic { width: 1em; height: 1em; fill: currentColor; flex: none; vertical-align: -.125em; overflow: visible; }
html { scroll-padding-top: calc(var(--header-h) + 24px); scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--body); font: 17px/1.7 var(--font); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--font-head); color: var(--ink); letter-spacing: -.02em; line-height: 1.2; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img { max-width: 100%; }
.hl-wrap { max-width: 1160px; margin: 0 auto; padding: 0 1.25rem; }
.hl-btn { display: inline-flex; align-items: center; gap: .5rem; padding: .6rem 1.1rem; border-radius: 999px; font-weight: 600; font-size: .92rem; transition: transform .2s var(--ease), box-shadow .2s; }
.hl-btn:hover { text-decoration: none; transform: translateY(-1px); }
.hl-btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 18px -8px rgba(24, 123, 176, .7); }
.hl-btn-primary:hover { color: #fff; }
.hl-btn-light { background: #fff; color: var(--ink); box-shadow: var(--shadow); }

/* ---------- header ---------- */
.hl-header { position: sticky; top: 0; z-index: 100; height: var(--header-h); background: rgba(255,255,255,.82); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s; view-transition-name: hl-header; }
.hl-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 24px -20px rgba(22,32,51,.4); }
.hl-home .hl-header:not(.is-scrolled) { background: transparent; backdrop-filter: none; }
.hl-home .hl-header:not(.is-scrolled) .hl-header-search { opacity: 0; pointer-events: none; }
.hl-header-in { height: 100%; max-width: 1240px; margin: 0 auto; padding: 0 1.25rem; display: flex; align-items: center; gap: 1.5rem; }
.hl-brand { display: flex; align-items: center; gap: .65rem; flex: none; color: var(--ink); font: 600 1rem var(--font-head); }
.hl-brand:hover { text-decoration: none; }
.hl-brand img { height: 30px; }
.hl-brand span { padding-left: .65rem; border-left: 1px solid var(--line); }
.hl-nav { display: flex; flex: none; gap: .15rem; }
.hl-nav a { padding: .4rem .7rem; border-radius: 999px; color: var(--body); font-size: .9rem; font-weight: 500; white-space: nowrap; transition: background .2s, color .2s; }
.hl-nav a:hover { text-decoration: none; background: var(--bg-2); color: var(--ink); }
.hl-nav a.is-active { background: var(--c-soft); color: var(--c-ink); }
.hl-header-search { position: relative; margin-left: auto; flex: 1 1 180px; max-width: 280px; min-width: 0; transition: opacity .3s; }
.hl-header-search > svg, .hl-header-search > i { position: absolute; left: .9rem; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: .85rem; }
.hl-header-search input { width: 100%; height: 40px; padding: 0 1rem 0 2.3rem; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-2); font: inherit; font-size: .9rem; color: var(--ink); outline: 0; transition: border-color .2s, box-shadow .2s, background .2s; }
.hl-header-search input:focus { background: #fff; border-color: var(--brand-2); box-shadow: 0 0 0 4px rgba(42,167,223,.15); }
.hl-open { flex: none; }

/* ---------- hero ---------- */
.hl-hero { position: relative; margin-top: calc(var(--header-h) * -1); padding: calc(var(--header-h) + 5rem) 1.25rem 5rem; text-align: center; overflow: visible; isolation: isolate; z-index: 2; background: linear-gradient(180deg, #eaf5fd 0%, #f4f0ff 60%, #fff 100%); }
.hl-hero-bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.hl-hero-bg span { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .7; }
.hl-hero-bg .b1 { width: 420px; height: 420px; left: -6%; top: 0; background: #bfe3fb; animation: hl-float 16s ease-in-out infinite alternate; }
.hl-hero-bg .b2 { width: 380px; height: 380px; right: -4%; top: 12%; background: #ddd2ff; animation: hl-float 20s ease-in-out infinite alternate-reverse; }
.hl-hero-bg .b3 { width: 300px; height: 300px; left: 45%; top: 55%; background: #c9f2e6; opacity: .55; animation: hl-float 24s ease-in-out infinite alternate; }
.hl-hero-bg .dots { inset: 0; border-radius: 0; filter: none; opacity: .5; background-image: radial-gradient(rgba(24,123,176,.18) 1.2px, transparent 1.3px); background-size: 26px 26px; -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 45%, #000, transparent 75%); mask-image: radial-gradient(ellipse 60% 55% at 50% 45%, #000, transparent 75%); }
@keyframes hl-float { to { transform: translate(60px, 40px) scale(1.12); } }
.hl-hero-in { max-width: 760px; margin: 0 auto; }
.hl-hello { display: inline-flex; align-items: center; gap: .5rem; margin: 0 0 .9rem; padding: .35rem .9rem; border-radius: 999px; background: rgba(255,255,255,.7); box-shadow: var(--shadow-sm); font-weight: 600; font-size: .9rem; color: var(--text); }
.hl-wave { display: inline-block; transform-origin: 70% 70%; animation: hl-wave 2.4s ease-in-out 1s 2; }
@keyframes hl-wave { 0%, 60%, 100% { transform: rotate(0); } 10%, 30% { transform: rotate(16deg); } 20% { transform: rotate(-8deg); } 40% { transform: rotate(-4deg); } 50% { transform: rotate(10deg); } }
.hl-hero h1 { margin: 0 0 .75rem; font-size: clamp(2.3rem, 5.5vw, 3.8rem); font-weight: 700; letter-spacing: -.03em; }
.hl-hero-sub { margin: 0 auto 2.2rem; font-size: 1.2rem; color: var(--body); }
.hl-hero-search { position: relative; z-index: 30; max-width: 660px; margin: 0 auto; text-align: left; }
.hl-hero-search > svg, .hl-hero-search > i { position: absolute; left: 1.4rem; top: 50%; transform: translateY(-50%); color: var(--brand); font-size: 1.15rem; z-index: 1; }
.hl-hero-search input { width: 100%; height: 66px; padding: 0 3.5rem 0 3.6rem; border: 2px solid transparent; border-radius: 999px; background: #fff; font: inherit; font-size: 1.12rem; color: var(--ink); outline: 0; box-shadow: var(--shadow-lg); transition: border-color .2s, box-shadow .3s; }
.hl-hero-search input:focus { border-color: #a9dcf6; box-shadow: 0 0 0 6px rgba(42,167,223,.14), var(--shadow-lg); }
.hl-hero-search input::placeholder { color: var(--muted); }
.hl-hero-search kbd { position: absolute; right: 1.4rem; top: 50%; transform: translateY(-50%); padding: .1rem .5rem; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; background: var(--bg-2); color: var(--muted); font: 600 .75rem var(--font); }
.hl-popular { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: .5rem; margin-top: 1.4rem; font-size: .9rem; color: var(--muted); }
.hl-popular a { padding: .35rem .85rem; border-radius: 999px; background: rgba(255,255,255,.8); color: var(--text); box-shadow: var(--shadow-sm); font-weight: 500; transition: transform .2s var(--ease), box-shadow .2s, color .2s; }
.hl-popular a:hover { text-decoration: none; color: var(--brand); transform: translateY(-2px); box-shadow: var(--shadow); }
.hl-in { opacity: 0; transform: translateY(16px); animation: hl-up .8s var(--ease) forwards; animation-delay: calc(var(--d) * 90ms + 60ms); }
@keyframes hl-up { to { opacity: 1; transform: none; } }

/* ---------- search results ---------- */
.hl-results { position: absolute; left: 0; right: 0; top: calc(100% + .6rem); z-index: 50; display: none; max-height: min(70vh, 520px); overflow-y: auto; padding: .5rem; border-radius: 20px; background: #fff; box-shadow: 0 30px 70px -20px rgba(22,32,51,.35), 0 0 0 1px var(--line); text-align: left; }
.hl-results.is-open { display: block; animation: hl-pop .2s var(--ease); }
.hl-header-search .hl-results { left: auto; width: min(460px, 92vw); }
@keyframes hl-pop { from { opacity: 0; transform: translateY(-6px) scale(.985); } }
.hl-hit { display: flex; align-items: center; gap: .85rem; padding: .7rem .8rem; border-radius: 14px; color: var(--text); animation: hl-hit .3s var(--ease) both; animation-delay: calc(var(--i, 0) * 25ms); }
@keyframes hl-hit { from { opacity: 0; transform: translateY(4px); } }
.hl-hit:hover { text-decoration: none; }
.hl-hit.is-active { background: var(--c-soft); }
.hl-hit-ico { flex: none; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: var(--c-soft); color: var(--c); }
.hl-hit-main { min-width: 0; flex: 1; }
.hl-hit-main strong { display: block; color: var(--ink); font-weight: 600; font-size: .98rem; }
.hl-hit-main span { display: block; font-size: .82rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hl-hit-go { color: var(--c); opacity: 0; transition: opacity .15s, transform .2s var(--ease); transform: translateX(-4px); }
.hl-hit.is-active .hl-hit-go { opacity: 1; transform: none; }
.hl-results mark { background: none; color: var(--c-ink); font-weight: 700; padding: 0; }
.hl-results-empty { padding: 1.5rem 1rem; text-align: center; color: var(--muted); font-size: .92rem; }
.hl-results-empty strong { display: block; color: var(--ink); margin-bottom: .2rem; }
.hl-results-label { padding: .45rem .8rem .25rem; font: 700 .7rem var(--font); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ---------- sections ---------- */
.hl-section { padding: 4rem 0; }
.hl-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.75rem; }
.hl-section-head h2 { margin: 0; font-size: 1.8rem; }
.hl-section-head p { margin: 0; color: var(--muted); }
.hl-topics { padding-top: 1rem; }
.hl-topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.hl-topic { position: relative; display: flex; flex-direction: column; padding: 1.5rem; border-radius: 22px; background: #fff; box-shadow: var(--shadow); border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s; overflow: hidden; }
.hl-topic::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--c); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.hl-topic:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.hl-topic:hover::before { transform: scaleX(1); }
.hl-topic-head { display: flex; gap: 1rem; align-items: flex-start; color: inherit; }
.hl-topic-head:hover { text-decoration: none; }
.hl-topic-head strong { display: block; font: 600 1.15rem var(--font-head); color: var(--ink); margin-bottom: .2rem; }
.hl-topic-head > span:last-child > span { display: block; font-size: .9rem; line-height: 1.5; color: var(--body); }
.hl-topic-ico, .hl-cat-ico { flex: none; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: var(--c-soft); color: var(--c); font-size: 1.3rem; transition: transform .45s var(--ease); }
.hl-topic:hover .hl-topic-ico { transform: rotate(-8deg) scale(1.08); }
.hl-topic ul { list-style: none; margin: 1.1rem 0 .9rem; padding: 0; border-top: 1px solid var(--line); }
.hl-topic li a { display: block; padding: .5rem 0; border-bottom: 1px dashed var(--line); color: var(--text); font-size: .93rem; transition: color .2s, padding .25s var(--ease); }
.hl-topic li a:hover { text-decoration: none; color: var(--c-ink); padding-left: .35rem; }
.hl-topic-all { margin-top: auto; font-weight: 600; font-size: .9rem; color: var(--c-ink); }
.hl-topic-all svg, .hl-row-go, .hl-start-steps a > svg { transition: transform .3s var(--ease); }
.hl-topic-all:hover svg { transform: translateX(4px); }

.hl-start { background: var(--bg-2); }
.hl-start-in { display: grid; grid-template-columns: 1fr 1.3fr; gap: 3rem; align-items: center; }
.hl-eyebrow { display: inline-block; margin-bottom: .5rem; font: 700 .75rem var(--font); letter-spacing: .1em; text-transform: uppercase; color: var(--brand); }
.hl-start-copy h2 { margin: 0 0 .6rem; font-size: 2rem; }
.hl-start-copy p { margin: 0; font-size: 1.05rem; }
.hl-start-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; counter-reset: s; }
.hl-start-steps a { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.2rem; border-radius: 16px; background: #fff; box-shadow: var(--shadow-sm); border: 1px solid var(--line); color: var(--text); transition: transform .3s var(--ease), box-shadow .3s; }
.hl-start-steps a:hover { text-decoration: none; transform: translateX(6px); box-shadow: var(--shadow); }
.hl-start-steps a:hover > svg { transform: translateX(4px); }
.hl-start-steps a > span:nth-child(2) { flex: 1; }
.hl-start-steps strong { display: block; color: var(--ink); }
.hl-start-steps a > span:nth-child(2) > span { font-size: .85rem; color: var(--muted); }
.hl-start-n { flex: none; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg, var(--brand-2), var(--brand)); color: #fff; font: 700 1rem var(--font-head); }
.hl-start-steps a > svg { color: var(--brand); }

.hl-pop-grid, .hl-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.hl-related-grid { grid-template-columns: repeat(4, 1fr); }
.hl-mini { display: flex; flex-direction: column; gap: .35rem; padding: 1.2rem; border-radius: 18px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); color: var(--text); transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
.hl-mini:hover { text-decoration: none; transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--c); }
.hl-mini strong { color: var(--ink); font-size: 1rem; line-height: 1.35; }
.hl-mini > span:last-child { font-size: .82rem; color: var(--muted); }
.hl-mini-ico { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: var(--c-soft); color: var(--c); margin-bottom: .35rem; }

/* ---------- category + article ---------- */
.hl-article-hero { padding: 2.2rem 0 2.6rem; background: linear-gradient(180deg, var(--c-soft), #fff); }
.hl-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-bottom: 1.4rem; font-size: .88rem; color: var(--muted); }
.hl-crumbs a { color: var(--body); }
.hl-crumbs svg { font-size: .6rem; opacity: .6; }
.hl-article-head { max-width: 760px; }
.hl-cat-pill { display: inline-flex; align-items: center; gap: .45rem; padding: .3rem .8rem; border-radius: 999px; background: #fff; color: var(--c-ink); font-weight: 600; font-size: .85rem; box-shadow: var(--shadow-sm); }
.hl-article-head h1 { margin: .9rem 0 .6rem; font-size: clamp(2rem, 4.4vw, 2.9rem); font-weight: 700; }
.hl-lead { font-size: 1.18rem; color: var(--body); margin: 0 0 1rem; }
.hl-meta { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: .88rem; color: var(--muted); }
.hl-meta span { display: inline-flex; align-items: center; gap: .4rem; }
.hl-meta svg { color: var(--c); }
.hl-cat-head { display: flex; gap: 1.25rem; align-items: center; }
.hl-cat-head h1 { margin: 0 0 .3rem; font-size: clamp(2rem, 4vw, 2.6rem); }
.hl-cat-head .hl-lead { margin: 0; }
.hl-cat-ico { width: 72px; height: 72px; border-radius: 22px; font-size: 1.8rem; background: #fff; box-shadow: var(--shadow); }

.hl-rows { display: grid; gap: .75rem; padding: 2rem 0 1rem; }
.hl-row { display: flex; align-items: center; gap: 1.1rem; padding: 1.1rem 1.3rem; border-radius: 18px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); color: var(--text); transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
.hl-row:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--c); }
.hl-row:hover .hl-row-go { transform: translateX(4px); }
.hl-row-ico { flex: none; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; background: var(--c-soft); color: var(--c); }
.hl-row-main { flex: 1; min-width: 0; }
.hl-row-main strong { display: block; color: var(--ink); font-size: 1.05rem; }
.hl-row-main span { font-size: .9rem; color: var(--body); }
.hl-row-meta { flex: none; text-align: right; font-size: .8rem; color: var(--muted); line-height: 1.5; }
.hl-row-go { color: var(--c); }

.hl-article-grid { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 3rem; padding-top: 2.5rem; padding-bottom: 2rem; }
.hl-progress-in { position: sticky; top: calc(var(--header-h) + 1.5rem); padding: 1.2rem; border-radius: 20px; background: var(--bg-2); }
.hl-progress-head { display: flex; justify-content: space-between; font-size: .82rem; font-weight: 600; color: var(--text); }
.hl-progress-head b { color: var(--c-ink); }
.hl-progress-bar { height: 6px; margin: .6rem 0 1rem; border-radius: 99px; background: #fff; overflow: hidden; }
.hl-progress-bar i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, var(--c), var(--c-ink)); transition: width .5s var(--ease); }
.hl-progress ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .15rem; }
.hl-progress li a { display: flex; gap: .65rem; align-items: flex-start; padding: .45rem .5rem; border-radius: 12px; font-size: .86rem; line-height: 1.4; color: var(--body); transition: background .2s, color .2s; }
.hl-progress li a:hover { text-decoration: none; background: #fff; }
.hl-dot { flex: none; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; background: #fff; border: 1.5px solid var(--line); font: 700 .72rem var(--font); color: var(--muted); transition: all .35s var(--ease); }
.hl-progress li.is-current a { background: #fff; color: var(--ink); font-weight: 600; }
.hl-progress li.is-current .hl-dot { border-color: var(--c); color: var(--c); }
.hl-progress li.is-done .hl-dot { background: var(--c); border-color: var(--c); color: #fff; }

.hl-article { min-width: 0; max-width: 780px; }
.hl-chapter { margin: 2.5rem 0 1rem; font-size: 1.5rem; }
.hl-step { position: relative; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 1.25rem; padding-bottom: 2.5rem; }
.hl-step::before { content: ""; position: absolute; left: 25px; top: 56px; bottom: 6px; width: 2px; background: var(--line); }
.hl-step-num { position: relative; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: var(--c-soft); color: var(--c-ink); font: 700 1.2rem var(--font-head); transition: background .4s, color .4s, transform .4s var(--ease); }
.hl-step-num svg { position: absolute; opacity: 0; transform: scale(.4); transition: all .4s var(--ease); }
.hl-step.is-done .hl-step-num { background: var(--c); color: #fff; }
.hl-step.is-done .hl-step-num span { opacity: 0; }
.hl-step.is-done .hl-step-num svg { opacity: 1; transform: none; }
.hl-step-body h2 { margin: .6rem 0 .9rem; font-size: 1.35rem; }
.hl-step-body p { margin: 0 0 .9rem; }
.hl-shots { display: grid; gap: .9rem; margin: 1rem 0 1.2rem; }
.hl-shots.is-multi { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.hl-shot { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-2); overflow: hidden; cursor: zoom-in; box-shadow: var(--shadow); }
.hl-shot img { display: block; width: 100%; height: auto; transition: transform .6s var(--ease); }
.hl-shot:hover img { transform: scale(1.025); }
.hl-zoom { position: absolute; right: .7rem; bottom: .7rem; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--ink); box-shadow: var(--shadow); opacity: 0; transform: scale(.8); transition: all .3s var(--ease); }
.hl-shot:hover .hl-zoom { opacity: 1; transform: none; }
.hl-list { padding-left: 1.2rem; } .hl-list li { margin: .35rem 0; } .hl-list li::marker { color: var(--c); }
.hl-table { margin: 1rem 0 1.4rem; border: 1px solid var(--line); border-radius: 16px; overflow-x: auto; }
.hl-table table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.hl-table th { background: var(--bg-2); color: var(--ink); text-align: left; padding: .75rem 1rem; font-weight: 600; }
.hl-table td { padding: .75rem 1rem; border-top: 1px solid var(--line); vertical-align: top; }
.hl-text.alert { padding: 1rem 1.2rem; border-radius: 16px; background: var(--c-soft); color: var(--text); }
.hl-done { display: flex; align-items: center; gap: 1.1rem; margin: .5rem 0 0 0; padding: 1.3rem 1.5rem; border-radius: 20px; background: linear-gradient(135deg, var(--c-soft), #fff); border: 1px solid var(--line); }
.hl-done-ico { flex: none; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; background: #fff; color: var(--c); font-size: 1.3rem; box-shadow: var(--shadow-sm); }
.hl-done strong { display: block; color: var(--ink); font-size: 1.1rem; }
.hl-done span { font-size: .92rem; }
.hl-related { padding: 3rem 0 1rem; }
.hl-related h2 { font-size: 1.4rem; margin: 0 0 1.25rem; }

/* ---------- cta + footer ---------- */
.hl-cta { padding: 3rem 0 4rem; }
.hl-cta-in { display: flex; align-items: center; gap: 1.5rem; padding: 2rem; border-radius: 26px; background: linear-gradient(120deg, #e8f4fd, #f2edff); }
.hl-cta-in h2 { margin: 0 0 .3rem; font-size: 1.4rem; }
.hl-cta-in p { margin: 0; max-width: 560px; }
.hl-cta-art { flex: none; width: 64px; height: 64px; display: grid; place-items: center; border-radius: 20px; background: #fff; color: var(--brand); font-size: 1.6rem; box-shadow: var(--shadow); animation: hl-spin 14s linear infinite; }
@keyframes hl-spin { to { transform: rotate(360deg); } }
.hl-cta-btns { margin-left: auto; flex: none; }
.hl-footer { border-top: 1px solid var(--line); padding: 2rem 0; font-size: .88rem; }
.hl-footer-in { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; }
.hl-footer-brand { display: flex; align-items: center; gap: .6rem; font: 600 .95rem var(--font-head); color: var(--ink); }
.hl-footer-brand img { height: 24px; }
.hl-footer nav { display: flex; flex-wrap: wrap; gap: .3rem 1.1rem; }
.hl-footer nav a, .hl-footer-meta a { color: var(--body); }
.hl-footer-meta { margin-left: auto; display: flex; gap: 1.1rem; color: var(--muted); }

/* ---------- lightbox ---------- */
.hl-lightbox { position: fixed; inset: 0; z-index: 500; display: grid; place-items: center; padding: 4vh 4vw; background: rgba(15, 22, 36, .78); backdrop-filter: blur(6px); animation: hl-fade .2s ease-out; cursor: zoom-out; }
.hl-lightbox[hidden] { display: none; }
.hl-lightbox img { max-width: 100%; max-height: 92vh; border-radius: 14px; box-shadow: 0 40px 100px -20px rgba(0,0,0,.6); animation: hl-pop .3s var(--ease); background: #fff; }
.hl-lightbox button { position: absolute; top: 1.2rem; right: 1.2rem; width: 44px; height: 44px; border: 0; border-radius: 50%; background: #fff; color: var(--ink); font-size: 1.1rem; cursor: pointer; }
@keyframes hl-fade { from { opacity: 0; } }

/* ---------- reveal ---------- */
@media (scripting: enabled) {
    [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(var(--i, 0) * 60ms); }
    [data-reveal].is-in { opacity: 1; transform: none; }
    .hl-topic[data-reveal].is-in, .hl-mini[data-reveal].is-in, .hl-row[data-reveal].is-in { transition: opacity .7s var(--ease) calc(var(--i, 0) * 60ms), transform .35s var(--ease), box-shadow .35s, border-color .3s; }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) { .hl-nav { display: none; } .hl-topic-grid, .hl-pop-grid { grid-template-columns: repeat(2, 1fr); } .hl-related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) {
    .hl-article-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .hl-progress { display: none; }
    .hl-start-in { grid-template-columns: 1fr; gap: 1.5rem; }
    .hl-cta-in { flex-direction: column; align-items: flex-start; }
    .hl-cta-btns { margin-left: 0; }
}
@media (max-width: 600px) {
    body { font-size: 16px; }
    .hl-topic-grid, .hl-pop-grid, .hl-related-grid { grid-template-columns: 1fr; }
    .hl-brand span, .hl-open { display: none; }
    .hl-hero { padding-top: calc(var(--header-h) + 3rem); padding-bottom: 5rem; }
    .hl-hero-search input { height: 58px; font-size: 1rem; }
    .hl-hero-search kbd { display: none; }
    .hl-step { grid-template-columns: 40px minmax(0, 1fr); gap: .9rem; }
    .hl-step-num { width: 40px; height: 40px; border-radius: 12px; font-size: 1rem; }
    .hl-step::before { left: 19px; top: 44px; }
    .hl-row-meta { display: none; }
    .hl-footer-meta { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
    [data-reveal], .hl-in { opacity: 1 !important; transform: none !important; }
}

/* lead text may arrive as markdown paragraphs */
.hl-lead p { margin: 0 0 .5rem; }
.hl-lead p:last-child { margin-bottom: 0; }
.hl-text p:last-child { margin-bottom: .9rem; }
.hl-code { padding: 1rem 1.2rem; border-radius: 14px; background: #0f1a2b; color: #dbe4f0; overflow-x: auto; font-size: .88rem; }
blockquote { margin: 1rem 0; padding: .8rem 1.1rem; border-left: 3px solid var(--c); background: var(--bg-2); border-radius: 0 14px 14px 0; }
blockquote cite { display: block; margin-top: .4rem; font-size: .85rem; color: var(--muted); font-style: normal; }
.hl-step-free { margin: 0 0 1.5rem 72px; }
@media (max-width: 600px) { .hl-step-free { margin-left: 0; } }
/* a page without a list of steps (documentation, single-step guides) reads as one column */
.hl-article-grid.is-plain { grid-template-columns: minmax(0, 1fr); }
.hl-article-grid.is-plain .hl-article { margin: 0 auto; width: 100%; }
.hl-article-grid.is-plain .hl-step-free { margin-left: 0; }